Bug 1925273 - Set script type for mochitest using manifest flavor. r=perftest-reviewers,afinder

Differential Revision: https://phabricator.services.mozilla.com/D225972

python/mozperftest/mozperftest/script.py

@@ -137,6 +137,10 @@ class ScriptInfo(defaultdict):
         self._set_script_content()
         self._parse_script_content()
 
+        if self.get("options", {}).get("default", {}).get("manifest_flavor"):
+            # Only mochitest tests have a manifest flavor
+            self.script_type = ScriptType.mochitest
+
     def _parse_script_content(self):
         self.parsed = esprima.parseScript(self.script_content)